AIM ¶ 11-1-2 — UAS NAS Access
AIM 11-1-2 explains how UAS operators access the National Airspace System: Part 107, recreational, and Part 91 rules, LAANC, UASFMs, and altitude limits.
AIM 11-1-2 explains how Unmanned Aircraft Systems (UAS) are integrated into the National Airspace System (NAS) without compromising safety. The FAA provides several pathways for UAS operators depending on aircraft weight, purpose, and airspace.
General rule: UAS under 55 lbs Maximum Gross Operating Weight (MGOW) may fly within Visual Line of Sight (VLOS) up to 400 feet AGL in uncontrolled (Class G) airspace. Operating in controlled airspace requires ATC authorization.
The three main access categories:
- Part 107 (small UAS): Request authorization via LAANC or DroneZone for Class B, C, D, or surface Class E. The UAS Facility Map (UASFM) shows the maximum altitude pre-approved without further coordination. Operators may request "further coordination" up to 400 ft AGL.
- Recreational flyers: Need prior authorization in controlled airspace. In Class G, limited to 400 ft AGL. May fly higher only at FAA-recognized fixed flying sites under a letter of agreement.
- Part 91 UAS: Public UAS and civil UAS ≥ 55 lbs MGOW require a Certificate of Authorization (COA) with specific geographic/altitude limits, plus compliance with Part 21 experimental certification.
Knowing these pathways matters operationally because manned pilots increasingly share airspace with drones, especially below 400 ft near airports.
Five FAA-written-style questions. Instant explanations, every answer cites its source — no account needed.
You are flying VFR in Class E airspace at 8,500 feet MSL during the day. What are your minimum visibility and cloud clearance requirements?